JP5290839B2 - Blow molded thin bottle - Google Patents

Blow molded thin bottle Download PDF

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JP5290839B2
JP5290839B2 JP2009087732A JP2009087732A JP5290839B2 JP 5290839 B2 JP5290839 B2 JP 5290839B2 JP 2009087732 A JP2009087732 A JP 2009087732A JP 2009087732 A JP2009087732 A JP 2009087732A JP 5290839 B2 JP5290839 B2 JP 5290839B2
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bottle
cap
neck
mouth
blow
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JP2010235184A (en
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和紀 橋本
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Yoshino Kogyosho Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a blow-molded thin-walled bottle capable of preventing the content from leaking caused by an external force before unsealing a container and keeping the quality of the content by recapping. <P>SOLUTION: The blow molded thin-walled bottle is equipped with: a container body 1 in which a space region surrounded with a thin-walled wall part forming a shoulder part 1a, a barrel part 1b and a bottom part 1c is a filling space for the content; and a thin-walled opening neck part 2 standing from the top part of the container body 1 and forming a passage 2a connected with the filling space, and the container body 1 and the opening neck part 2 are integrally formed by blow molding. In the blow molded thin-walled bottle, the top of the opening neck part 2 is provided with a closing stopper 3 having a base connected to the top and opening the bottle by tearing using the boundary as a starting point. On the base part of the opening neck part 2, a contracting diameter part 6 which is brought into contact with the outer peripheral face of the inner cylinder 5a of a cap 5 under an engaging condition with the cap 5 and keeping their mutual relation under a sealed condition, is provided. On the closing stopper 3, the cap 5 which engages the outer peripheral wall of the opening neck part 2 after the bottle is opened, and opens and closes the passage 2a of the opening neck part 2, is arranged attachably/detachably. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

本発明は、マヨネーズやケチャップ等を入れる食品用の容器として好適なブロー成形薄肉ボトルに関するものであり、外力に起因した内容物の漏出を回避するとともにボトルのリキャップを実現して内容物の品質を安定的に保持しようとするものである。   The present invention relates to a blow molded thin-walled bottle suitable as a container for food containing mayonnaise, ketchup, etc., and avoids leakage of contents due to external force and realizes bottle recap to improve the quality of the contents. It is intended to be held stably.

マヨネーズやケチャップ等を入れる容器としては、従来、容器の胴体部分を押圧して内容物を絞り出すボトルタイプの容器が使用されているが、この種の容器は、内容物の充填口と注出口が同じであり、内容物の充填後はアルミシートを利用したシール部材を貼着するのが普通であった。   As a container for mayonnaise, ketchup, etc., a bottle type container that presses the body part of the container and squeezes the contents is used, but this kind of container has the same filling port and spout. Therefore, after filling the contents, it was usual to stick a sealing member using an aluminum sheet.

ところで、この種のボトルにおいては、使用材料の削減、ごみの減量化を図るべく、充填口兼注出口を薄肉にしていくと、その部位が変形しやすくなり、商品の流通段階等で容器に外力が加わった場合にシール部材が局所的に剥がれてしまって内容物が漏れ出ることが懸念された。   By the way, in this kind of bottle, if the filling and pouring outlet is made thin in order to reduce the amount of materials used and the amount of waste, the part is likely to be deformed, and it becomes a container in the product distribution stage. When an external force is applied, there is a concern that the sealing member may be peeled off locally and the contents may leak out.

この点に関しては、内容物の充填後に充填口を熱溶着することよって内容物を容器内に封じ込めるバージンタイプの容器の適用が有利である(例えば、特許文献1参照)が、かかる容器は、一旦開封したのちは密閉することができないので容器内に内容物が残った場合には、そのまま容器内に残しておかざるを得ず、未だ改善の余地が残されていた。   In this regard, it is advantageous to apply a virgin type container in which the contents are sealed in the container by thermally welding the filling port after filling the contents (see, for example, Patent Document 1). Since it cannot be sealed after opening, if the contents remain in the container, it must be left in the container as it is, and there is still room for improvement.

特開2002−193232号公報JP 2002-193232 A

本発明の課題は、外力に起因した内容物の漏出を確実に回避することができ、リキャップの容易な食品用の容器に有用なブロー成形薄肉ボトルを提案するところにある。   An object of the present invention is to propose a blow-molded thin-walled bottle that can reliably avoid leakage of contents due to an external force and that is useful for a container for foods that can be easily recapped.

本発明は、肩部、胴部、底部を形成する薄肉の壁部により取り囲まれた空間領域を内容物の充填空間とする容器本体と、この容器本体の頂部から立ち上がり、該充填空間につながる通路を形成する薄肉の口頚部とを備え、該容器本体を口頚部とともにブロー成形により一体的に形成したブロー成形薄肉ボトルであって、
前記口頚部の突端に、該突端につながるベースを有し、その境界を起点とする引きちぎりによってボトルを開封する密閉栓を設け、
前記口頚部の基部に、キャップとの係合状態で該キャップの内筒外周面に当接してその相互間をシール状態に維持する縮径部を設け、
前記密閉栓に、ボトルの開封後に口頚部の外周壁に係合して該口頚部の通路の開閉を行うキャップを着脱可能に配設し
前記口頚部の上端に、ボトルの軸芯に向けて傾斜したテーパ形状をなすと共に、キャップとの係合状態で該キャップの内筒外周面に嵌合する環状体を設けたことを特徴とするブロー成形薄肉ボトルである。
The present invention relates to a container body having a space area surrounded by a thin wall part forming a shoulder part, a trunk part, and a bottom part as a filling space for contents, and a passage rising from the top of the container body and connected to the filling space A blow-molded thin-walled bottle formed integrally with the neck and neck by blow molding.
At the projecting end of the mouth and neck, a base connected to the projecting end is provided, and a sealing stopper for opening the bottle by tearing starting from the boundary is provided,
In the base of the mouth and neck, provided with a reduced diameter portion that contacts the outer peripheral surface of the inner cylinder of the cap in an engaged state with the cap and maintains a sealed state between them,
A cap that opens and closes the passage of the mouth and neck by engaging the outer peripheral wall of the mouth and neck after opening the bottle is detachably disposed on the sealing stopper ,
The upper end of the mouth-and-neck portion has a tapered shape inclined toward the axis of the bottle, and an annular body that is fitted to the outer peripheral surface of the inner cylinder of the cap in an engaged state with the cap. It is a blow molded thin bottle.

上記のブロー成形薄肉ボトルに設けられる密閉栓のベースは、その外周壁の少なくとも対向位置の二箇所に、口頚部に対して引きちぎり可能に連結し、かつ、その上端部をキャップの下端に当接させて該キャップの密閉栓に対する位置決めを行う縦リブを設けておくことができる。また、ベースは、その天面壁に、プルリングを形成しておことにより該密閉栓の容易な取り外しが可能となる。 The base of the hermetic stopper provided in the blow molded thin bottle is connected to at least two positions on the outer peripheral wall so as to be tearable with respect to the neck and neck, and the upper end of the cap is applied to the lower end of the cap. by contact can leave only set a vertical rib for positioning against sealing stopper of the cap. The base is, in its ceiling wall, it is possible to easy removal of the sealing stopper by contact Ku to form a pull ring.

また、口頚部については、その上端に、ボトルの軸方向に向けて傾斜させたテーパ形状をなす環状体を設けたので、この環状体によってキャップの口頚部に対する連係強度を高める嵌合部を形成することができる。 In addition, the mouth and neck portion is provided with an annular body having a tapered shape that is inclined toward the axial direction of the bottle at the upper end thereof, thereby forming a fitting portion that increases the linkage strength of the cap with respect to the mouth and neck portion. can do.

内容物の充填後に充填口を熱融着することができるので容器全体の薄肉化を図っても外力に起因した漏出がない。また、密閉栓に備え付けられたキャップを口頚部に係合させることにより、ボトルが開封された状態でもその密封が可能となり、内容物の品質を長期にわたって維持できる。   Since the filling port can be heat-sealed after filling the contents, there is no leakage due to external force even if the whole container is thinned. In addition, by engaging the cap provided on the sealing plug with the mouth and neck, the bottle can be sealed even when the bottle is opened, and the quality of the contents can be maintained over a long period of time.

本発明にしたがうブロー成形薄肉ボトルの実施の形態を、正面について示した図である。It is the figure which showed embodiment of the blow molding thin wall bottle according to this invention about the front. 図1の側面を示した図である。It is the figure which showed the side surface of FIG. キャップの取り付け状態を示した図である。It is the figure which showed the attachment state of the cap.

以下、図面を参照して本発明をより具体的に説明する。
図1、図2は本発明にしたがうブロー成形薄肉ボトルの実施の形態を示した図であり、図1は正面図、図2は側面図である(キャップは断面表示)。
Hereinafter, the present invention will be described more specifically with reference to the drawings.
1 and 2 are views showing an embodiment of a blow-molded thin wall bottle according to the present invention, FIG. 1 is a front view, and FIG. 2 is a side view (a cap is a cross-sectional view).

図における1は内容物の充填空間を形成する容器本体である。容器本体1は、薄肉の壁部により肩部1aと、この肩部1aにつながる胴部1bと、この胴部1bにつながる底部1cから構成されている。   In the figure, reference numeral 1 denotes a container body that forms a filling space for contents. The container body 1 includes a shoulder portion 1a, a body portion 1b connected to the shoulder portion 1a, and a bottom portion 1c connected to the body portion 1b by a thin wall portion.

また、2は、容器本体1の頂部から立ち上がるように設けられた口頚部である。この口頚部2は、充填空間につながる通路2a(図3参照)を有する薄肉の環状帯からなっており、ブロー成形の際に容器本体1と一体的に形成される。口頚部2の外周壁にはねじ部nが形成されている。 Reference numeral 2 denotes a mouth and neck portion provided so as to rise from the top of the container body 1. The mouth / neck portion 2 is formed of a thin annular band having a passage 2a (see FIG. 3) connected to the filling space, and is formed integrally with the container body 1 during blow molding. A threaded portion n 1 is formed on the outer peripheral wall of the mouth / neck portion 2.

3は、口頚部2の突端(上端部)に一体的につながる密閉栓である。この密閉栓3は、環状周壁と、これにつがる天板(天面を形成する壁部)によって形成されたベース3aを有しており、口頚部2の突端との境界に形成された破断予定線(口頚部よりもさらに薄肉になった部位)Lを起点とする密閉栓3の引きちぎりによってボトルを開封することができるようになっている。   Reference numeral 3 denotes a sealing plug integrally connected to the protruding end (upper end portion) of the mouth-and-neck portion 2. The sealing plug 3 has a base 3a formed by an annular peripheral wall and a top plate (wall portion forming the top surface) connected to the annular peripheral wall, and is scheduled to be broken at the boundary between the protruding end of the neck 2 The bottle can be opened by tearing off the sealing plug 3 starting from a line (a part that is thinner than the mouth and neck) L.

4は、ベース3aの天板に一体的に設けられたプルリング、5は、口頚部2の外周壁に着脱自在に係合(アンダーカット等の係合手段で係合する)するヒンジキャップである。このヒンジキャップ5は、口頚部2の内側に位置する内筒5aと、この内筒5aの外側に間隔を隔てて配置され、その相互間に下向きに開放された溝部を形成する外筒5bと、これら内筒5a、外筒5bをその上端で一体連結するとともに該内筒5aにつながる注出筒5cを有する天面壁5dと、この天面壁5dにヒンジhを介して揺動可能につながり、注出筒5cの開閉を行う蓋体5eから構成されている。外筒5bの内周壁には、口頚部2の外周壁に設けられたねじ部nに係合するねじ部nが設けられ、蓋体5eの下面には注出筒5cの内周壁に当接してシールするシール筒5eが形成されている。 4 is a pull ring integrally provided on the top plate of the base 3a, and 5 is a hinge cap that is detachably engaged with the outer peripheral wall of the mouth-and-neck portion 2 (engaged by an engagement means such as an undercut). . The hinge cap 5 includes an inner cylinder 5a positioned on the inner side of the mouth-and-neck part 2, and an outer cylinder 5b which is disposed on the outer side of the inner cylinder 5a with a space therebetween and which forms a groove portion opened downward therebetween. The inner cylinder 5a and the outer cylinder 5b are integrally connected at the upper end thereof, and the top wall 5d having a pouring cylinder 5c connected to the inner cylinder 5a is connected to the top wall 5d via a hinge h so as to be swingable. It is comprised from the cover body 5e which opens and closes the extraction pipe | tube 5c. The inner peripheral wall of the outer tube 5b, threaded portion n 2 which engages with the threaded portion n 1 provided on the outer peripheral wall of the mouth and neck 2 is provided, on the lower surface of the lid 5e on the inner peripheral wall of the pouring cylinder 5c A seal cylinder 5e 1 that contacts and seals is formed.

6は、口頚部2の基部に設けられた縮径部である。この縮径部6は、ヒンジキャップ5との係合状態で該キャップ5の内筒5aの外周面に当接してその相互間をシール状態に維持する。   Reference numeral 6 denotes a reduced diameter portion provided at the base of the mouth / neck portion 2. The reduced diameter portion 6 is in contact with the outer peripheral surface of the inner cylinder 5a of the cap 5 in an engaged state with the hinge cap 5, and maintains a sealed state therebetween.

さらに、7は、ベース3aの環状周壁の対向位置の二箇所に設けた例で示した縦リブである。この縦リブ7は、下端が、口頚部2の外表面に沿う形状を有しており(引きちぎり可能に連結していてもよい)、その上端部をキャップ5の下端に当接させて密閉栓3に対する取り付け姿勢の安定化と位置決めを行う。   Furthermore, 7 is the vertical rib shown in the example provided in two places of the opposing position of the cyclic | annular surrounding wall of the base 3a. The vertical rib 7 has a shape in which the lower end conforms to the outer surface of the mouth-and-neck portion 2 (may be connected so as to be torn off), and the upper end is brought into contact with the lower end of the cap 5 and sealed. Stabilization and positioning of the mounting posture with respect to the stopper 3 is performed.

上記の構成になるブロー成形薄肉ボトルは、商品の流通段階では、図1、図2に示すような状態にある。   The blow-molded thin-walled bottle having the above-described configuration is in a state as shown in FIGS.

かかるボトルを開封して内容物を注出するには、まず、ヒンジキャップ5を一旦取り外し、次いで、プルリング4に指を掛けて引き上げ、密閉栓3を引きちぎればよい。   In order to open the bottle and dispense the contents, the hinge cap 5 is first removed, then the pull ring 4 is pulled up with a finger, and the sealing plug 3 is torn off.

図3は、ヒンジキャップ5を、口頚部2にねじ込んで固定、セットした状態を示した図である。ヒンジキャップ5をセットすることにより口頚部2を閉塞することが可能となり、容器内に残存する内容物の品質を維持することが可能となる。   FIG. 3 is a view showing a state in which the hinge cap 5 is screwed into the mouth / neck portion 2 and fixed and set. By setting the hinge cap 5, it becomes possible to close the mouth-and-neck portion 2 and to maintain the quality of the contents remaining in the container.

本発明にしたがうブロー成形薄肉ボトルは、口頚部2の上端がボトルの軸芯О(図1参照)に向けて傾斜したテーパ形状をなす環状体2bを形成しておくことにより、ヒンジキャップ5を口頚部2にセットした際に図3に示すように、該環状体2bを内向きに倒れ込ませて内筒4aの外周壁に嵌合させることが可能(嵌合部の形成)であり、これによりヒンジキャップ4の口頚部2に対する連係強度が高められる。   The blow-molded thin wall bottle according to the present invention has a hinge cap 5 formed by forming an annular body 2b having a tapered shape in which the upper end of the neck portion 2 is inclined toward the axis O of the bottle (see FIG. 1). As shown in FIG. 3, when the neck 2 is set, it is possible to cause the annular body 2 b to fall inward and fit to the outer peripheral wall of the inner cylinder 4 a (formation of a fitting portion). As a result, the linkage strength of the hinge cap 4 with respect to the neck 2 is enhanced.

ボトルの底部1cの中央部には充填口1dを設けておくことが可能(内容物の充填後に熱融着によって密閉するもの)であり、この充填口1dを通して内容物の充填を行えばよく、この充填口1dを、ボトルの内側方向へ押し込むことができる底部反転形状としておくことでボトルを起立姿勢に保持しておくことができる。   It is possible to provide a filling port 1d at the center of the bottom 1c of the bottle (which is sealed by heat fusion after filling the content), and the content may be filled through the filling port 1d. The bottle can be held in an upright position by providing the filling port 1d with a bottom-inverted shape that can be pushed toward the inside of the bottle.

本発明にしたがうボトルを製造するには、金型に材料(合成樹脂)を挟みこんでプルリング4を成形するとともにそれにつながる部分についてブロー成形(二軸延伸ブロー成形)を行えばよく、製造条件についてはとくに限定されることはない。   In order to manufacture a bottle according to the present invention, a material (synthetic resin) is sandwiched between molds and the pull ring 4 is molded, and blow molding (biaxial stretch blow molding) is performed on the connected portion. There is no particular limitation.

口頚部を含めたボトル全体の薄肉化を図っても外力に起因した内容物の漏出を防止することが可能で、かつ、リキャップによる内容物の品質の維持を図ることができる。   Even if the entire bottle including the mouth and neck is thinned, it is possible to prevent the leakage of the contents due to the external force, and it is possible to maintain the quality of the contents by recapping.

1 容器本体
1a 肩部
1b 胴部
1c 底部
1d 充填口
2 口頚部
2a 通路
3 密閉栓
3a ベース
4 プルリング
4a 内筒
4b 外筒
4c 注出筒
4d 天面壁
5 ヒンジキャップ
6 縮径部
7 縦リブ
ねじ部
ねじ部
DESCRIPTION OF SYMBOLS 1 Container body 1a Shoulder part 1b Trunk part 1c Bottom part 1d Filling port 2 Neck part 2a Passage 3 Sealing plug 3a Base 4 Pull ring 4a Inner cylinder 4b Outer cylinder 4c Outlet cylinder 4d Top wall 5 Hinge cap 6 Reduced diameter part 7 Vertical rib n 1 thread n 2 thread

Claims (3)

肩部、胴部、底部を形成する薄肉の壁部により取り囲まれた空間領域を内容物の充填空間とする容器本体と、この容器本体の頂部から立ち上がり、該充填空間につながる通路を形成する薄肉の口頚部とを備え、該容器本体を口頚部とともにブロー成形により一体的に形成したブロー成形薄肉ボトルであって、
前記口頚部の突端に、該突端につながるベースを有し、その境界を起点とする引きちぎりによってボトルを開封する密閉栓を設け、
前記口頚部の基部に、キャップとの係合状態で該キャップの内筒外周面に当接してその相互間をシール状態に維持する縮径部を設け、
前記密閉栓に、ボトルの開封後に口頚部の外周壁に係合して該口頚部の通路の開閉を行うキャップを着脱可能に配設し
前記口頚部の上端に、ボトルの軸芯に向けて傾斜したテーパ形状をなすと共に、キャップとの係合状態で該キャップの内筒外周面に嵌合する環状体を設けたことを特徴とするブロー成形薄肉ボトル。
A container body having a space area surrounded by a thin wall part forming the shoulder part, body part, and bottom part as a filling space for contents, and a thin wall that rises from the top of the container body and forms a passage leading to the filling space A blow-molded thin-walled bottle integrally formed by blow molding with the mouth-and-neck part.
At the projecting end of the mouth and neck, a base connected to the projecting end is provided, and a sealing stopper for opening the bottle by tearing starting from the boundary is provided,
In the base of the mouth and neck, provided with a reduced diameter portion that contacts the outer peripheral surface of the inner cylinder of the cap in an engaged state with the cap and maintains a sealed state between them,
A cap that opens and closes the passage of the mouth and neck by engaging the outer peripheral wall of the mouth and neck after opening the bottle is detachably disposed on the sealing stopper ,
The upper end of the mouth-and-neck portion has a tapered shape inclined toward the axis of the bottle, and an annular body that is fitted to the outer peripheral surface of the inner cylinder of the cap in an engaged state with the cap. Blow molded thin bottle.
前記ベースは、その外周壁の少なくとも対向位置の二箇所に、口頚部に対して引きちぎり可能に連結し、かつ、その上端部をキャップの下端に当接させて該キャップの密閉栓に対する位置決めを行う縦リブを有する、請求項1記載のブロー成形薄肉ボトル。   The base is connected to at least two positions of the outer peripheral wall so as to be tearable with respect to the mouth and neck, and the upper end of the base is brought into contact with the lower end of the cap so that the cap is positioned with respect to the sealing plug. The blow-molded thin-walled bottle according to claim 1, wherein the blow-molded thin-wall bottle has a longitudinal rib. 前記ベースの天面を形成する壁部に、プルリングを有する、請求項1又は2記載のブロー成形薄肉ボトル。   The blow-molded thin-walled bottle according to claim 1 or 2, further comprising a pull ring on a wall portion forming the top surface of the base.
JP2009087732A 2009-03-31 2009-03-31 Blow molded thin bottle Expired - Fee Related JP5290839B2 (en)

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